<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <!-- 引入wangEditor -->
    <script src="/resources/wangEditor.min.js"></script>
</head>
<body>
     <div>
         <button id="btnRead">读取内容</button>
         <button id="btnWrite">写入内容</button>
     </div>
     <div id="divEditor" style="width: 800px;height:600px"></div>
     <script>
         var E = window.wangEditor;
         var editor = new E("#divEditor");//完成富文本编辑器初始化
         editor.creat();//创建富文本编辑器，显示在页面上
         document.getElementById("btnRead").onclick = function (){
             var content = editor.txt.html();//获取编辑器现有html上的内容
             alert(content);
         }
         document.getElementById("btnWrite").onclick = function (){
             var content = "<li style='color: red'>我是<b>新内容</b></li>"
             editor.txt.html(content);
         }
     </script>
</body>
</html>